Home / 12,415,318.16-18,623,764.40-3,895,990.88

Finding the Fourth Proportional to 12,415,318.16, 18,623,764.40 and 3,895,990.88

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Solution

The fourth proportional to 12,415,318.16, 18,623,764.40 and 3,895,990.88 is: 5,844,233.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415,318.16 : 18,623,764.40 = 3,895,990.88 : x
  2. Step 2: Convert to fraction form
    12,415,318.16/18,623,764.40 = 3,895,990.88/x
  3. Step 3: Cross multiply
    12,415,318.16x = 18,623,764.40 × 3,895,990.88
  4. Step 4: Simplify right side
    12,415,318.16x = 72,558,016,253,668.67
  5. Step 5: Solve for x
    x = 72,558,016,253,668.67/12,415,318.16
  6. Step 6: Final answer
    x = 5,844,233.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.